package interfaces

import (
	"github.com/gin-gonic/gin"
	"net/http"
)

var WhiteList []string

func IpWall(c *gin.Context){
	clientIp :=c.ClientIP()
	if c.Request.RequestURI=="/ws2"{
		goto PASS
	}
	for _,ip := range WhiteList {
		if ip == clientIp{
			goto PASS
		}
	}
	c.JSON(403,gin.H{"err":"not in widelist"})
	c.Abort()

	PASS:
		c.Next()

}


// 处理跨域请求,支持options访问
func Cors() gin.HandlerFunc {
	return func(c *gin.Context) {
		method := c.Request.Method

		c.Header("Access-Control-Allow-Origin", "*")
		c.Header("Access-Control-Allow-Headers", "Content-Type,AccessToken,X-CSRF-Token, Authorization, Token")
		c.Header("Access-Control-Allow-Methods", "*")
		c.Header("Access-Control-Expose-Headers", "*")
		c.Header("Access-Control-Allow-Credentials", "true")

		//放行所有OPTIONS方法
		if method == "OPTIONS" {
			c.AbortWithStatus(http.StatusNoContent)
		}
		// 处理请求
		c.Next()
	}

}